Portable lunchbox



FIG. 1 is an exploded front perspective view of the portable lunchboxshowing the new design;

FIG. 2 is a perspective view thereof;

FIG. 3 is a top view of the opened inner element thereof;

FIG. 4 is a top perspective view of the closed inner element thereof:

FIG. 5 is a cross sectional view through line 5—5 of FIG. 2:

FIG. 6 is a side view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a top view thereof.

The broken lines are for illustrative purposes only and form no part ofthe claimed design.

I claim the ornamental design for the portable lunchbox, as shown anddescribed.